forked from luck/tmp_suning_uos_patched
42 lines
1.3 KiB
ArmAsm
42 lines
1.3 KiB
ArmAsm
|
/*
|
||
|
|
* Low-level IRQ helper macros for Freescale MXS-based
|
||
|
|
*
|
||
|
|
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License along
|
||
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <mach/mxs.h>
|
||
|
|
|
||
|
|
#define MXS_ICOLL_VBASE MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR)
|
||
|
|
#define HW_ICOLL_STAT_OFFSET 0x70
|
||
|
|
|
||
|
|
.macro disable_fiq
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
||
|
|
ldr \irqnr, [\base, #HW_ICOLL_STAT_OFFSET]
|
||
|
|
cmp \irqnr, #0x7F
|
||
|
|
strne \irqnr, [\base]
|
||
|
|
moveqs \irqnr, #0
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro get_irqnr_preamble, base, tmp
|
||
|
|
ldr \base, =MXS_ICOLL_VBASE
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro arch_ret_to_user, tmp1, tmp2
|
||
|
|
.endm
|